unclassified

adjective

un·​clas·​si·​fied ˌən-ˈkla-sə-ˌfīd How to pronounce unclassified (audio)
Synonyms of unclassifiednext
1
: not subject to a security classification
unclassified information
2
: not placed or belonging in a class

Examples of unclassified in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
His death is unclassified pending autopsy results. — Caché McClay, USA Today, 19 June 2026 His death is unclassified pending autopsy results. — Tim Lammers, Forbes.com, 18 June 2026 The command also posted an 18-second unclassified video of the strike, showing the boat in the water before it is hit by a blast, causing smoke to billow from it. — Max Rego, The Hill, 14 Apr. 2026 During debate on a Pentagon funding bill, Keating sought to force the Pentagon to release unclassified videos, photographs and audio recordings of the trio of incidents. — Foreign Correspondent, Los Angeles Times, 15 June 2026 See All Example Sentences for unclassified

Word History

First Known Use

1815, in the meaning defined at sense 2

Time Traveler
The first known use of unclassified was in 1815

Rhymes for unclassified

See All Rhymes for unclassified

Browse Nearby Words

unclassifiable
unclassified
uncle
See all Nearby Words

Cite this Entry

“Unclassified.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unclassified. Accessed 8 Jul. 2026.

Copy Citation

Kids Definition

unclassified

adjective
un·​clas·​si·​fied ˌən-ˈklas-ə-ˌfīd How to pronounce unclassified (audio)
: not classified
especially : not requiring special treatment for purposes of security
unclassified documents

More from Merriam-Webster on unclassified

Thesaurus: All synonyms and antonyms for unclassified

Nglish: Translation of unclassified for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of gambol

See Definitions and Examples »

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All